MX-1800N (serv.man37). Details of each Section - Q PWB Section. - Sharp Copying Equipment Service Manual (repair manual). Page 5

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MX-1800N  PWB SECTION  Q – 5
c. HL PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws and the connector, and remove the HL
PWB.
d. Driver Sub PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws, and remove the driver sub PWB.
e. Secondary transfer PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws and the connector, and remove the sec-
ondary transfer PWB.
f. Driver Main PWB
1)
Remove the rear cabinet.
2)
Remove the screws and the connector, and remove the driver
main PWB.
g. Primary transfer PWB
1)
Remove the rear cabinet.
2)
Open the control box.
3)
Remove the screws and the connector, and remove the pri-
mary transfer PWB.
h. MC PWB
1)
Remove the rear cabinet.
2)
Open the control box.
3)
Remove the screws, then remove the fly wheel.
* Installing sequence: (1) C 
→ (2) KM → (3) KM (Each color is
marked.)
* After installation, check to confirm that it is not in contact
with the harness, etc.
C
KM
KM
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